11. a) A mobile price is tagged Rs 5,000. If a customer gets 12% discount and adding certain percent VAT reaches as Rs 4,972, find out the VAT percentage.

Indicate the formula for the following conditions: p^c(n, r)=

Pls the last one and it has to be like number 6

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth